// Represent a Book by its title and number of pages
public class Book {
	String title;
	int numPages;
	
	Book(String title, int numPages) {
		this.title = title;
		this.numPages = numPages;
	}
	
	// Produce a String representing this Book.
	public String toString() { 
		return "Book(" + this.title + ", " + this.numPages + ")"; 
	}
}